David Szotten 80e3444eca Fixed #24483 -- Prevented keepdb from breaking with generator choices. ...

If Field.choices is provided as an iterator, consume it in __init__ instead
of using itertools.tee (which ends up holding everything in memory
anyway). Fixes a bug where deconstruct() was consuming the iterator but
bypassing the call to `tee`.

2015-03-24 11:42:53 -04:00

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